I. Gastrointestinal reactions care Common gastrointestinal reactions include nausea, vomiting, loss of appetite, abdominal pain, diarrhea and constipation. Nausea and vomiting often appear in chemotherapy patients 2 to 3 d after the drug is used, and in a few patients, the reaction even occurs with the drug, affecting eating in mild cases and causing water-electrolyte disorders in severe cases, which must be handled carefully. 1, ondansetron is a new strong antiemetic, 15min intravenous drip before chemotherapy, for 5d, dexamethasone antiemetic efficacy is also clinically very sure, generally 5-10mg intravenous drip before chemotherapy can be effective antiemetic, for severe vomiting to give sedatives, such as intramuscular diazepam 10mg. a large number of vomiting can cause electrolyte disorders, should closely observe the changes in vital signs, if necessary If necessary, infuse fluids to supplement and correct. 2. Patiently encourage patients to eat, so that they understand that diet and drug therapy have the same important role. Ask patients to eat less and more meals, eat an easily digestible and nutritious diet, eat more fruits, vegetables, fish and eggs, do not eat stimulating things, and do everything possible to ensure the nutritional balance of patients. 3, some chemotherapy patients have varying degrees of abdominal pain and diarrhea, mild oral antispasmodic and antidiarrheal drugs can relieve. Some patients will have constipation, which can generally be relieved after using laxative drugs. Therefore, chemotherapy patients should pay attention to the number and nature of urine and stool to relieve patients of gastrointestinal discomfort in a timely manner. Second, the care of phlebitis chemotherapy drugs cause phlebitis, the reason may be the drug chemical stimulation of vascular endothelial cells, platelets or eosinophils, resulting in the release of histamine and 5-H7 and other mediators, can cause pain and erythema of the venous vessels, there are reports in the literature, ice + dexamethasone even, the incidence of pain is 13%, and the pain time is greatly reduced, thus greatly reducing the patient’s pain, improve the patient The quality of life of patients, the emergence of phlebitis can also be given along the vascular alignments 5O% magnesium sulfate solution wet compresses. Hair loss care Chemotherapy patients sometimes suffer from different degrees of hair loss, with heavy reactions such as paclitaxel and pegylated glucosides, because the epithelial cells of hair follicles are sensitive to chemotherapy. After hair loss patients carry some psychological reactions. Especially for some female patients, we should explain the causes and nature of hair loss to the patients, and let them understand that hair loss is a temporary phenomenon and hair will grow back gradually after stopping the drug, so that they can be psychologically prepared for it. And give guidance and comfort. The patient can be encouraged to wear a hat or a wig to meet the requirements of their image. Fourth, the care of oral ulcers chemotherapy patients will also occur oral ulcers, the lighter oral mucosa erosion, serious oral, pharynx or even the whole gastrointestinal tract loose stone ulcers, not only pain and discomfort affects eating, but also for bacterial reproduction, creating the conditions. Therefore, chemotherapy patients should pay special attention to oral care, keep the oral cavity clean, instruct patients to drink more water to clean the oral cavity, while gargling with 4% boric acid water or 1O% furan solution, encourage patients to talk more to increase oral activity, stimulate saliva secretion, reduce congestion and edema, and inhibit the spread of inflammation. Pay attention to the enhancement of supportive therapy, vitamin supplementation, application of aureomycin ointment or iodine glycerin on the ulcer surface, observation of infection signs, and timely treatment of infection. V. Psychological care Most cancer patients have bad emotions such as fear, anxiety, pessimism and disappointment, so they should communicate more with patients, introduce lung cancer chemotherapy program and common adverse reactions and countermeasures, help lung cancer chemotherapy patients establish confidence to overcome the disease and maintain emotional stability to actively cooperate with lung cancer chemotherapy.